ADU CONTRACTOR LONG BEACH
Licensed ADU builder serving Long Beach and the greater LA Harbor area. Architecture, permits, and construction — one team, one price.
Architecture · Engineering · Permits · Construction — All Under One Roof · CSLB #1160701
Why Long Beach Homeowners Choose Payless4ADU
We're a licensed Southern California ADU contractor (CSLB #1160701) that handles architecture, engineering, permits, and construction under one roof. No subcontractor shuffle. No surprise invoices. Just a straight answer on what your project will cost and how long it will take.
About our team- Familiar with Long Beach's Development Services Department and ADU submittal requirements.
- Experience with coastal zone properties and Coastal Commission permit requirements.
- Fixed-price contracts — no time-and-materials surprises.
- In-house architecture and structural engineering under one roof.
- Garage conversion specialists — Long Beach's detached garage stock is ideal for ADUs.
- Se Habla Español — bilingual staff available.
Long Beach ADU Permit Rules at a Glance
Every city in Southern California layers its own standards on top of California state ADU law. Here's what matters most for Long Beach homeowners.
Rear & Side Setback
4 ft minimum (detached ADU)
Max Height
16 ft (standard zones)
Max Size
Up to 1,200 sq ft
JADU Max Size
500 sq ft (within existing structure)
Permit Timeline
8–12 weeks (standard); 4–8 weeks (pre-approved plan)
Replacement Parking
Not required for garage conversions (state law)
Coastal Zone
Additional Coastal Development Permit required
Owner-Occupancy
Not required (state law preempts)
Permit Fees
Approx. $5,000–$12,000 depending on scope
ADU Cost Estimates in Long Beach
Ranges include architecture, engineering, permits, and construction. They exclude landscaping, utility connection fees, and furnishings.
| ADU Type | Estimated Cost |
|---|---|
| Junior ADU (interior conversion) | $40,000 – $75,000 |
| Garage conversion (detached) | $80,000 – $120,000 |
| Detached ADU (400–600 sq ft) | $130,000 – $190,000 |
| Detached ADU (800–1,200 sq ft) | $190,000 – $300,000 |
Long Beach 1BR ADUs typically rent for $1,800–$2,400/month. A $150,000 garage conversion can pay for itself in 6–8 years while adding significant value to your property.
Ready to Build in Long Beach?
Get a free ADU site analysis for your Long Beach property. We'll assess your lot, flag any coastal zone or permit complications, and give you a straight answer on cost and timeline.
Licensed · CSLB #1160701 · Se Habla Español